zk is a plain text note-taking assistant meant for use alongside a separate text editor program.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Mac
- Linux
Open Source Obsidian Alternatives
The best open source alternative to Obsidian is Logseq. If that doesn't suit you, our users have ranked more than 100 alternatives to Obsidian and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Obsidian are Zettlr, Joplin, Notesnook and Standard Notes.
filter to find the best alternatives
Obsidian alternatives are mainly Note-taking Tools, but if you're looking for Todo List Managers or Task Management Tools you can filter on that. Other popular filters include Open Source, Windows, Self-Hosted, Linux, Note-taking, Linux + Open Source and Windows + Open Source. These are just examples - use the filter bar below to find more specific alternatives to Obsidian.
Alternatives list
25 zk alternatives
52 Ideon alternativesIdeon is an open-source, self-hosted alternative to tools like Heptabase and Kosmik, specifically designed for technical projects. It provides an infinite spatial canvas where users can organize information visually rather than in linear documents or folder structures.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Self-Hosted
- Docker
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Android
- Android Tablet
- F-Droid
+5
A simple, lightweight Markdown viewer and text editor for Windows, macOS, and Linux.
+1
TreeTime lets you organize notes, tasks, and projects using linked hierarchical trees. Perform recursive calculations on your data and explore your information visually through a lightweight, view-only local web interface — all while keeping your data private and portable.
+4
Knowledge is a tool for saving, searching, accessing, exploring and chatting with all of your favorite websites, documents and files.
+2
Cotoami is a note-taking application that helps your personal and team knowledge naturally evolve into a concept-based knowledge base. It's a standalone, cross-platform application with offline support.
+3
A Markdown Text Editor to manually edit a markdown file, with instant preview of the output in a HTML Viewer.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Windows
+1
Terminal-based markdown note manager to view statistics, explore connections and launch editing and viewing applications.
Rhyolite is a simple markdown editor build using tauri framework that allows user to edit and work on markdown files.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Android
- F-Droid
+1
Minne (Swedish for "memory") is a personal knowledge management system and save-for-later application for capturing, organizing, and accessing your information. Inspired by the Zettelkasten method, it uses a graph database to automatically create connections between...
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Self-Hosted
- Docker
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